Home / 284,984.25-393,256.58-157,657.11

Finding the Fourth Proportional to 284,984.25, 393,256.58 and 157,657.11

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Solution

The fourth proportional to 284,984.25, 393,256.58 and 157,657.11 is: 217,554.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,984.25 : 393,256.58 = 157,657.11 : x
  2. Step 2: Convert to fraction form
    284,984.25/393,256.58 = 157,657.11/x
  3. Step 3: Cross multiply
    284,984.25x = 393,256.58 × 157,657.11
  4. Step 4: Simplify right side
    284,984.25x = 61,999,695,891.28
  5. Step 5: Solve for x
    x = 61,999,695,891.28/284,984.25
  6. Step 6: Final answer
    x = 217,554.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.